bricktop:
	clear 200 20 20 256 100
	colornoise 3 -8 40

brickunder:
	clear 90 90 90 256 95

brickmask:
	noisemask 4 0.4 0.7

brick:
	combinemask brickunder bricktop brickmask
	bumpnoise 5 -0.0625 0.0625

rut:
	clear 0 0 0 0 90

rutmix:
	brickmask 0.5 0.25 0.02 0

glow:
	clear 127 127 127 256 100
	bumpnoise 4 -0.125 0.125
	watererode 2 0.15 0.05 0 0 0 1 1 356 356 356 256

output:
	combinemask rut brick rutmix
	seed 10023
	bumpnoise 2 -0.01 0.01
	light 1 0.5 -1 256 256 256